A Grand Tourer Injection (from Italian Gran Turismo Iniezione) - almost always abbreviated to GTI or GTi - is a fuel-injection car model variant. Traditionally used for Grand Tourer cars, the term is now applied to various hot hatchbacks, even though they do not have the luxury traditionally associated with Grand Tourers.
The 1961 Maserati 3500 GTI is considered the first ever car to use the GTI name and was made famous by the 1976 Volkswagen Golf GTI.
GTI models include: